Git web hook puller

puller.php

<?php


    

//______________________________________________
    function gitInit() {

        $currentDir = getcwd();

        exec('cd '.$currentDir);
        $result = exec('git init');

        echo 'res: '.$result;
    }

//____________________________________________
function logHook() {
    
    $headers = array();
    foreach($_SERVER as $key => $value) {
        if(substr($key, 0, 5) == 'HTTP_') {
            $headers[str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))))] = $value;
        }
    }
    
    
    $info = "HEADERS:\n\n";
    
    foreach($headers as $key => $value) {
        
        $info .= ($key.":".$value."\n");
    }
    
    $info .= "\n\nBODY:\n\n".file_get_contents('php://input');
    
    
 
    $file = fopen(getcwd()."/hookLog.txt","a");
    fwrite($file,"\n____________\n".$info);
    fclose($file);
}

//___________________________

function pullRepository() {
    
    //Send 200 as http status code to close the connection and release gitlab
    ignore_user_abort(true);
    set_time_limit(0);

    ob_start();
    // do initial processing here
    http_response_code(200); 
    header('Connection: close');
    header('Content-Length: '.ob_get_length());
    ob_end_flush();
    ob_flush();
    flush();
    
    
    
    $headers = array();
    foreach($_SERVER as $key => $value) {
        if(substr($key, 0, 5) == 'HTTP_') {
            $headers[str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))))] = $value;
        }
    }
    
    
    $isPushHook = false;
    
    
    foreach($headers as $key => $value) {
        
        if($key == "X-Gitlab-Event" && $value == "Push Hook") {
            
            $isPushHook = true;
            break;
        }
    }
    

    if($isPushHook == true) {
     
        
        $currentDir = getcwd();
        $repoDir = $currentDir."/testRepo";
        
//        $file = fopen($currentDir."/TESTFILE.txt","a");
//        fwrite($file,"\n____________\nTEST");
//        fclose($file);

        //exec('cd '.$currentDir);
        chdir($repoDir);
        //$result = exec("git pull https://afshin.hoseini:Afshin1990@gitlab.com/afshin.hoseini/testRepo.git develop");
        
        exec("git config --global user.name \"afshin.hoseini\"");
        exec("git config --global user.email \"afshin.hoseini@gmail.com\"");
        exec("git checkout develop");
        
        $result = [];
        exec("git pull https://afshin.hoseini:Afshin1990@gitlab.com/afshin.hoseini/testRepo.git develop", $result);
        
        $content = "";
        
        foreach($result as $key=>$value) {
         
            $content .= ($key.":".$value."\n");
        }
        
        $file = fopen(getcwd()."/pullLog.txt","a");
        fwrite($file,"\n____________\n".$content);
        fclose($file);
        
    }
    
    
 
    
}

//___________________________

function cloneRepo() {

    $currentDir = getcwd();

    exec('cd '.$currentDir);
    
    exec("git config --global user.name \"afshin.hoseini\"");
        exec("git config --global user.email \"afshin.hoseini@gmail.com\"");
    
    $result = exec('git clone https://afshin.hoseini:Afshin1990@gitlab.com/afshin.hoseini/testRepo.git --branch develop');

    echo 'res: '.$result;
}

//___________________________

if(isset($_GET['clone'])) {
    
    cloneRepo();
}
else {
    logHook();
    pullRepository();
}

echo 'HELLO';
?>

Care about chdir function while using git commands.